<html>
    <head>
        <title>Test Server Post</title>
        <meta charset="utf-8">
    </head>
    <body>
        <h1>Test Server Post</h1>
        <form action="http://localhost:9999/" method="post">
            user: <input type="text" name="username">
            psw: <input type="password" name="password">
            <input type="submit" value="submit">
        </form>
    </body>
</html>